He approached the problem with calm and caution.

他沉着而审慎地对持那个问题。

youdao

Under the current circumstances, relevant parties should exert restraint, stay calm, take caution and avoid any action that could further complicate the situation.

在当前形势下，有关各方都应保持克制和冷静，慎重行事，避免采取任何使事态进一步复杂化的行动。

youdao

We think that is critically important. So we are certainly counseling calm and caution."

VOA: standard.2009.11.11

At the same time, despite the apparent calm, I would caution that the decision may have far-reaching and nasty consequences both in the next few weeks and the coming months.

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